Elevated error rate on multiple models

Timeline

Started: 2026-05-22T04:16:42.159Z

Updated: 2026-05-22T08:50:24.457Z

Resolved: 2026-05-22T08:50:24.441Z

Impact scope

Official sources

Provider: anthropic

Updates

• resolved

  This issue has been resolved.

  2026-05-22T08:50:24.441Z

• monitoring

  We are monitoring recovery on Claude Opus 4.7, and working to fully resolve remaining errors impacting Haiku 4.5. We will provide additional updates shortly.

  2026-05-22T06:32:50.735Z

• monitoring

  We are currently working to resolve some additional errors impacting Claude Opus 4.7 and Haiku 4.5, we will provide an additional update shortly.

  2026-05-22T06:17:04.603Z

• monitoring

  We have seen success rates on Claude Opus 4.7 and Sonnet 4.6 return to normal. We are monitoring closely to ensure no further issues, and will provide an additional update shortly.

  2026-05-22T05:53:09.358Z

• identified

  We are continuing to work to fully resolve issues impacting Claude Opus 4.7, and Sonnet 4.6. At this time, success rates on Claude Opus 4.7 have stabilized. We will provide additional updates shortly.

  2026-05-22T05:25:17.964Z

• identified

  We have identified an issue resulting in elevated error rates, primarily on Claude Opus 4.7 and Sonnet 4.6. We are working to resolve these issues, and will provide additional updates as soon as possible.

  2026-05-22T04:40:56.763Z

• investigating

  We are currently investigating this issue.

  2026-05-22T04:16:42.333Z